Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use plugins method of plugin Package

Best Gauge code snippet using plugin.plugins

loader.go

Source:loader.go

...17	logging "github.com/ipfs/go-log"18	opentracing "github.com/opentracing/opentracing-go"19)20var preloadPlugins []plugin.Plugin21// Preload adds one or more plugins to the preload list. This should _only_ be called during init.22func Preload(plugins ...plugin.Plugin) {23	preloadPlugins = append(preloadPlugins, plugins...)24}25var log = logging.Logger("plugin/loader")26var loadPluginFunc = func(string) ([]plugin.Plugin, error) {27	return nil, fmt.Errorf("unsupported platform %s", runtime.GOOS)28}29type loaderState int30const (31	loaderLoading loaderState = iota32	loaderInitializing33	loaderInitialized34	loaderInjecting35	loaderInjected36	loaderStarting37	loaderStarted38	loaderClosing39	loaderClosed40	loaderFailed41)42func (ls loaderState) String() string {43	switch ls {44	case loaderLoading:45		return "Loading"46	case loaderInitializing:47		return "Initializing"48	case loaderInitialized:49		return "Initialized"50	case loaderInjecting:51		return "Injecting"52	case loaderInjected:53		return "Injected"54	case loaderStarting:55		return "Starting"56	case loaderStarted:57		return "Started"58	case loaderClosing:59		return "Closing"60	case loaderClosed:61		return "Closed"62	case loaderFailed:63		return "Failed"64	default:65		return "Unknown"66	}67}68// PluginLoader keeps track of loaded plugins.69//70// To use:71// 1. Load any desired plugins with Load and LoadDirectory. Preloaded plugins72//    will automatically be loaded.73// 2. Call Initialize to run all initialization logic.74// 3. Call Inject to register the plugins.75// 4. Optionally call Start to start plugins.76// 5. Call Close to close all plugins.77type PluginLoader struct {78	state   loaderState79	plugins map[string]plugin.Plugin80	started []plugin.Plugin81	config  config.Plugins82	repo    string83}84// NewPluginLoader creates new plugin loader85func NewPluginLoader(repo string) (*PluginLoader, error) {86	loader := &PluginLoader{plugins: make(map[string]plugin.Plugin, len(preloadPlugins)), repo: repo}87	if repo != "" {88		cfg, err := cserialize.Load(filepath.Join(repo, config.DefaultConfigFile))89		switch err {90		case cserialize.ErrNotInitialized:91		case nil:92			loader.config = cfg.Plugins93		default:94			return nil, err95		}96	}97	for _, v := range preloadPlugins {98		if err := loader.Load(v); err != nil {99			return nil, err100		}101	}102	if err := loader.LoadDirectory(filepath.Join(repo, "plugins")); err != nil {103		return nil, err104	}105	return loader, nil106}107func (loader *PluginLoader) assertState(state loaderState) error {108	if loader.state != state {109		return fmt.Errorf("loader state must be %s, was %s", state, loader.state)110	}111	return nil112}113func (loader *PluginLoader) transition(from, to loaderState) error {114	if err := loader.assertState(from); err != nil {115		return err116	}117	loader.state = to118	return nil119}120// Load loads a plugin into the plugin loader.121func (loader *PluginLoader) Load(pl plugin.Plugin) error {122	if err := loader.assertState(loaderLoading); err != nil {123		return err124	}125	name := pl.Name()126	if ppl, ok := loader.plugins[name]; ok {127		// plugin is already loaded128		return fmt.Errorf(129			"plugin: %s, is duplicated in version: %s, "+130				"while trying to load dynamically: %s",131			name, ppl.Version(), pl.Version())132	}133	if loader.config.Plugins[name].Disabled {134		log.Infof("not loading disabled plugin %s", name)135		return nil136	}137	loader.plugins[name] = pl138	return nil139}140// LoadDirectory loads a directory of plugins into the plugin loader.141func (loader *PluginLoader) LoadDirectory(pluginDir string) error {142	if err := loader.assertState(loaderLoading); err != nil {143		return err144	}145	newPls, err := loadDynamicPlugins(pluginDir)146	if err != nil {147		return err148	}149	for _, pl := range newPls {150		if err := loader.Load(pl); err != nil {151			return err152		}153	}154	return nil155}156func loadDynamicPlugins(pluginDir string) ([]plugin.Plugin, error) {157	_, err := os.Stat(pluginDir)158	if os.IsNotExist(err) {159		return nil, nil160	}161	if err != nil {162		return nil, err163	}164	var plugins []plugin.Plugin165	err = filepath.Walk(pluginDir, func(fi string, info os.FileInfo, err error) error {166		if err != nil {167			return err168		}169		if info.IsDir() {170			if fi != pluginDir {171				log.Warnf("found directory inside plugins directory: %s", fi)172			}173			return nil174		}175		if info.Mode().Perm()&0111 == 0 {176			// file is not executable let's not load it177			// this is to prevent loading plugins from for example non-executable178			// mounts, some /tmp mounts are marked as such for security179			log.Errorf("non-executable file in plugins directory: %s", fi)180			return nil181		}182		if newPlugins, err := loadPluginFunc(fi); err == nil {183			plugins = append(plugins, newPlugins...)184		} else {185			return fmt.Errorf("loading plugin %s: %s", fi, err)186		}187		return nil188	})189	return plugins, err190}191// Initialize initializes all loaded plugins192func (loader *PluginLoader) Initialize() error {193	if err := loader.transition(loaderLoading, loaderInitializing); err != nil {194		return err195	}196	for name, p := range loader.plugins {197		err := p.Init(&plugin.Environment{198			Repo:   loader.repo,199			Config: loader.config.Plugins[name].Config,200		})201		if err != nil {202			loader.state = loaderFailed203			return err204		}205	}206	return loader.transition(loaderInitializing, loaderInitialized)207}208// Inject hooks all the plugins into the appropriate subsystems.209func (loader *PluginLoader) Inject() error {210	if err := loader.transition(loaderInitialized, loaderInjecting); err != nil {211		return err212	}213	for _, pl := range loader.plugins {214		if pl, ok := pl.(plugin.PluginIPLD); ok {215			err := injectIPLDPlugin(pl)216			if err != nil {217				loader.state = loaderFailed218				return err219			}220		}221		if pl, ok := pl.(plugin.PluginTracer); ok {222			err := injectTracerPlugin(pl)223			if err != nil {224				loader.state = loaderFailed225				return err226			}227		}228		if pl, ok := pl.(plugin.PluginDatastore); ok {229			err := injectDatastorePlugin(pl)230			if err != nil {231				loader.state = loaderFailed232				return err233			}234		}235	}236	return loader.transition(loaderInjecting, loaderInjected)237}238// Start starts all long-running plugins.239func (loader *PluginLoader) Start(node *core.IpfsNode) error {240	if err := loader.transition(loaderInjected, loaderStarting); err != nil {241		return err242	}243	iface, err := coreapi.NewCoreAPI(node)244	if err != nil {245		return err246	}247	for _, pl := range loader.plugins {248		if pl, ok := pl.(plugin.PluginDaemon); ok {249			err := pl.Start(iface)250			if err != nil {251				_ = loader.Close()252				return err253			}254			loader.started = append(loader.started, pl)255		}256		if pl, ok := pl.(plugin.PluginDaemonInternal); ok {257			err := pl.Start(node)258			if err != nil {259				_ = loader.Close()260				return err261			}262			loader.started = append(loader.started, pl)263		}264	}265	return loader.transition(loaderStarting, loaderStarted)266}267// StopDaemon stops all long-running plugins.268func (loader *PluginLoader) Close() error {269	switch loader.state {270	case loaderClosing, loaderFailed, loaderClosed:271		// nothing to do.272		return nil273	}274	loader.state = loaderClosing275	var errs []string276	started := loader.started277	loader.started = nil278	for _, pl := range started {279		if closer, ok := pl.(io.Closer); ok {280			err := closer.Close()281			if err != nil {...

plugins.go

Source:plugins.go

2import (3	"reflect"4	"strings"5)6// Message represents data accross plugins7type Message struct {8	Meta []byte // metadata9	Data []byte // actual data10}11// PluginReader is an interface for input plugins12type PluginReader interface {13	PluginRead() (msg *Message, err error)14}15// PluginWriter is an interface for output plugins16type PluginWriter interface {17	PluginWrite(msg *Message) (n int, err error)18}19// PluginReadWriter is an interface for plugins that support reading and writing20type PluginReadWriter interface {21	PluginReader22	PluginWriter23}24// InOutPlugins struct for holding references to plugins25type InOutPlugins struct {26	Inputs  []PluginReader27	Outputs []PluginWriter28	All     []interface{}29}30// extractLimitOptions detects if plugin get called with limiter support31// Returns address and limit32func extractLimitOptions(options string) (string, string) {33	split := strings.Split(options, "|")34	if len(split) > 1 {35		return split[0], split[1]36	}37	return split[0], ""38}39// Automatically detects type of plugin and initialize it40//41// See this article if curious about reflect stuff below: http://blog.burntsushi.net/type-parametric-functions-golang42func (plugins *InOutPlugins) registerPlugin(constructor interface{}, options ...interface{}) {43	var path, limit string44	vc := reflect.ValueOf(constructor)45	// Pre-processing options to make it work with reflect46	vo := []reflect.Value{}47	for _, oi := range options {48		vo = append(vo, reflect.ValueOf(oi))49	}50	if len(vo) > 0 {51		// Removing limit options from path52		path, limit = extractLimitOptions(vo[0].String())53		// Writing value back without limiter "|" options54		vo[0] = reflect.ValueOf(path)55	}56	// Calling our constructor with list of given options57	plugin := vc.Call(vo)[0].Interface()58	if limit != "" {59		plugin = NewLimiter(plugin, limit)60	}61	// Some of the output can be Readers as well because return responses62	if r, ok := plugin.(PluginReader); ok {63		plugins.Inputs = append(plugins.Inputs, r)64	}65	if w, ok := plugin.(PluginWriter); ok {66		plugins.Outputs = append(plugins.Outputs, w)67	}68	plugins.All = append(plugins.All, plugin)69}70// NewPlugins specify and initialize all available plugins71func NewPlugins() *InOutPlugins {72	plugins := new(InOutPlugins)73	for _, options := range Settings.InputDummy {74		plugins.registerPlugin(NewDummyInput, options)75	}76	for range Settings.OutputDummy {77		plugins.registerPlugin(NewDummyOutput)78	}79	if Settings.OutputStdout {80		plugins.registerPlugin(NewDummyOutput)81	}82	if Settings.OutputNull {83		plugins.registerPlugin(NewNullOutput)84	}85	for _, options := range Settings.InputRAW {86		plugins.registerPlugin(NewRAWInput, options, Settings.RAWInputConfig)87	}88	for _, options := range Settings.InputTCP {89		plugins.registerPlugin(NewTCPInput, options, &Settings.InputTCPConfig)90	}91	for _, options := range Settings.OutputTCP {92		plugins.registerPlugin(NewTCPOutput, options, &Settings.OutputTCPConfig)93	}94	for _, options := range Settings.InputFile {95		plugins.registerPlugin(NewFileInput, options, Settings.InputFileLoop)96	}97	for _, path := range Settings.OutputFile {98		if strings.HasPrefix(path, "s3://") {99			plugins.registerPlugin(NewS3Output, path, &Settings.OutputFileConfig)100		} else {101			plugins.registerPlugin(NewFileOutput, path, &Settings.OutputFileConfig)102		}103	}104	for _, options := range Settings.InputHTTP {105		plugins.registerPlugin(NewHTTPInput, options)106	}107	// If we explicitly set Host header http output should not rewrite it108	// Fix: https://github.com/buger/gor/issues/174109	for _, header := range Settings.ModifierConfig.Headers {110		if header.Name == "Host" {111			Settings.OutputHTTPConfig.OriginalHost = true112			break113		}114	}115	for _, options := range Settings.OutputHTTP {116		plugins.registerPlugin(NewHTTPOutput, options, &Settings.OutputHTTPConfig)117	}118	for _, options := range Settings.OutputBinary {119		plugins.registerPlugin(NewBinaryOutput, options, &Settings.OutputBinaryConfig)120	}121	if Settings.OutputKafkaConfig.Host != "" && Settings.OutputKafkaConfig.Topic != "" {122		plugins.registerPlugin(NewKafkaOutput, "", &Settings.OutputKafkaConfig, &Settings.KafkaTLSConfig)123	}124	if Settings.InputKafkaConfig.Host != "" && Settings.InputKafkaConfig.Topic != "" {125		plugins.registerPlugin(NewKafkaInput, "", &Settings.InputKafkaConfig, &Settings.KafkaTLSConfig)126	}127	return plugins128}...

plugins

Using AI Code Generation

1import "plugin"2func main() {3    p, err := plugin.Open("plugin.so")4    if err != nil {5        panic(err)6    }7    f, err := p.Lookup("Hello")8    if err != nil {9        panic(err)10    }11    f.(func())()12}13import "fmt"14func Hello() {15    fmt.Println("Hello, world.")16}17func main() {18    Hello()19}20import "plugin"21func main() {22    p, err := plugin.Open("plugin.so")23    if err != nil {24        panic(err)25    }26    f, err := p.Lookup("Hello")27    if err != nil {28        panic(err)29    }30    f.(func())()31}32import "fmt"33func Hello() {34    fmt.Println("Hello, world.")35}36func main() {37    Hello()38}39import "plugin"40func main() {41    p, err := plugin.Open("plugin.so")42    if err != nil {43        panic(err)44    }45    f, err := p.Lookup("Hello")46    if err != nil {47        panic(err)48    }49    f.(func())()50}51import "fmt"52func Hello() {53    fmt.Println("Hello, world.")54}55func main() {56    Hello()57}58import "plugin"59func main() {60    p, err := plugin.Open("plugin.so")61    if err != nil {62        panic(err)63    }64    f, err := p.Lookup("Hello")65    if err != nil {66        panic(err)67    }68    f.(func())()69}70import "fmt"71func Hello() {72    fmt.Println("Hello, world.")73}74func main() {75    Hello()76}77import "plugin"78func main() {79    p, err := plugin.Open("plugin.so

plugins

Using AI Code Generation

1import (2func main() {3	p, err := plugin.Open("plugin.so")4	if err != nil {5		fmt.Println(err)6	}7	sym, err := p.Lookup("Plugin")8	if err != nil {9		fmt.Println(err)10	}11	plugin, ok := sym.(func() string)12	if !ok {13		fmt.Println("unexpected type from module symbol")14	}

plugins

Using AI Code Generation

1import java.io.File;2import java.io.IOException;3import java.net.MalformedURLException;4import java.net.URL;5import java.net.URLClassLoader;6import java.util.ArrayList;7import java.util.List;8import java.util.logging.Level;9import java.util.logging.Logger;10import javax.swing.JFileChooser;11import javax.swing.filechooser.FileNameExtensionFilter;12public class Plugins extends javax.swing.JFrame {13    public Plugins() {14        initComponents();15    }16    public static void main(String args[]) {17        java.awt.EventQueue.invokeLater(new Runnable() {18            public void run() {19                new Plugins().setVisible(true);20            }21        });22    }23    @SuppressWarnings("unchecked")24    private void initComponents() {25        jLabel1 = new javax.swing.JLabel();26        jButton1 = new javax.swing.JButton();27        jLabel2 = new javax.swing.JLabel();28        jTextField1 = new javax.swing.JTextField();29        jButton2 = new javax.swing.JButton();30        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);31        jLabel1.setText("Select Plugin");32        jButton1.setText("Browse");33        jButton1.addActionListener(new java.awt.event.ActionListener() {34            public void actionPerformed(java.awt.event.ActionEvent evt) {35                jButton1ActionPerformed(evt);36            }37        });38        jLabel2.setText("Enter Class Name");39        jButton2.setText("Run");40        jButton2.addActionListener(new java.awt.event.ActionListener() {41            public void actionPerformed(java.awt.event.ActionEvent evt) {42                jButton2ActionPerformed(evt);43            }44        });45        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());46        getContentPane().setLayout(layout);47        layout.setHorizontalGroup(48            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)49            .addGroup(layout.createSequentialGroup()50                .addGap(31, 31, 31)51                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)52                    .addComponent(jLabel1)53                    .addComponent(jLabel2))54                .addGap(31, 31, 31)55                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)56                    .addComponent(jButton2)57                    .addComponent(jTextField1)58                    .addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, 91, Short.MAX_VALUE))59                .addContainerGap(154, Short.MAX_VALUE))60        );61        layout.setVerticalGroup(62            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)63            .addGroup(layout.createSequentialGroup()64                .addGap(58, 58, 58)65                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)66                    .addComponent(jLabel1)67                    .addComponent(jButton1))68                .addGap(18, 18, 18)69                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment

plugins

Using AI Code Generation

1import (2func main() {3	p, err := plugin.Open("plugin.so")4	if err != nil {5		fmt.Println(err)6	}7	add, err := p.Lookup("Add")8	if err != nil {9		fmt.Println(err)10	}11	f := add.(func(int, int) int)12	fmt.Println(f(1, 2))13}14import "C"15func Add(a, b int) int {16}17func main() {}

plugins

Using AI Code Generation

1import (2func main() {3 p, err := plugin.Open("plugin.so")4 if err != nil {5 panic(err)6 }

plugins

Using AI Code Generation

1type interfaceName interface {2   methodName1(parameter list) returnType3   methodName2(parameter list) returnType4   methodNameN(parameter list) returnType5}6import "fmt"7type Shape interface {8   area() float649}10type Circle struct {11}12type Rectangle struct {13}14func (circle Circle) area() float64 {15}16func (rectangle Rectangle) area() float64 {17}18func getArea(shape Shape) float64 {19   return shape.area()20}21func main() {22   circle := Circle{x: 0, y: 0, radius: 5}23   rectangle := Rectangle{width: 10, height: 5}24   fmt.Printf("Circle area: %f25", getArea(circle))26   fmt.Printf("Rectangle area: %f27", getArea(rectangle))28}

plugins

Using AI Code Generation

1import (2func main() {3	client := plugin.NewClient(&plugin.ClientConfig{4		Plugins: map[string]plugin.Plugin{5			"greeter": &shared.GreeterPlugin{},6		},7		Cmd: plugin.Command{8		},9	})10	rpcClient, err := client.Client()11	if err != nil {12		panic(err)13	}14	raw, err := rpcClient.Dispense("greeter")15	if err != nil {16		panic(err)17	}18	greeter := raw.(shared.Greeter)19	fmt.Println(greeter.Greet())20}21import (22func main() {23	var pluginMap = map[string]plugin.Plugin{24		"greeter": &shared.GreeterPlugin{},25	}26	plugin.Serve(&plugin.ServeConfig{27	})28}29import (30var Handshake = plugin.HandshakeConfig{31}32type Greeter interface {33	Greet() string34}35type GreeterPlugin struct {

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.